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JPL Small-Body Database Browser
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117615 (2005 EY94)
Classification: Main-belt Asteroid          SPK-ID: 2117615
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1252902838806636 4.1525e-08  
a 2.438090175022521 2.168e-08 au
q 2.132621164867293 1.0233e-07 au
i 7.737753102726222 5.8941e-06 deg
node 34.75145471291337 3.2837e-05 deg
peri 237.1313058958531 4.6145e-05 deg
M 268.4778920934774 3.9679e-05 deg
tp 2459354.005835031901
(2021-May-19.50583503)
0.00015674 TDB
period 1390.50666033026
3.81
1.8547e-05
5.078e-08
d
yr
n .2588984362825679 3.4532e-09 deg/d
Q 2.743559185177749 2.4396e-08 au
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      10826 days (29.64 yr)  
   first obs. used      1990-05-18  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 16:48:34  

Additional Information
 Earth MOID = 1.12843 au 
 Jupiter MOID = 2.35602 au 
 T_jup = 3.480 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456882.5 (2014-Aug-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1261897149800432 4.1468e-08  
q 2.130246910593885 1.0222e-07 au
tp 2456572.445618722838
(2013-Oct-06.94561872)
0.00013072 TDB
node 34.79242803693321 3.2858e-05 deg
peri 237.0373101793678 4.6027e-05 deg
i 7.736610094857718 5.8923e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      10826 days (29.64 yr)  
   first obs. used      1990-05-18  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 16:48:34  

Additional Information
 Jupiter MOID = 2.35602 au 
 T_jup = 3.480 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.719624518866788E-15 -4.166565555759123E-15 -1.836039739522734E-13 -5.124564205059391E-15 -8.587566629971483E-14 3.322467842413987E-15
q -4.166565555759123E-15 1.044937077243861E-14 1.936883639663803E-12 9.576734395859237E-15 5.818470709167655E-13 -6.534705020132717E-15
tp -1.836039739522734E-13 1.936883639663803E-12 1.708662366518812E-8 -2.141520391646418E-11 4.226360078064439E-9 6.447074120007912E-12
node -5.124564205059391E-15 9.576734395859237E-15 -2.141520391646418E-11 1.079617609487925E-9 -1.074575573930488E-9 -2.295014357390358E-11
peri -8.587566629971483E-14 5.818470709167655E-13 4.226360078064439E-9 -1.074575573930488E-9 2.118484862364033E-9 2.423213096733236E-11
i 3.322467842413987E-15 -6.534705020132717E-15 6.447074120007912E-12 -2.295014357390358E-11 2.423213096733236E-11 3.471870437163427E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO417612  

117615 (2005 EY94)          Discovered 2005-Mar-10 by Lowe, A. at New Mexico Skies
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 EY94 = 2003 WC149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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